package com.itheima.mapper;

import com.itheima.pojo.Emp;
import org.apache.ibatis.annotations.*;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.List;

/**
 * 员工管理
 */
@Mapper
public interface EmpMapper {

    //手写分页查询
//    //总记录数
//    @Select("select count(*) from emp")
//    public Long count();
//
//    //分页查询获取列表数据
//    @Select("select * from emp limit #{start},#{pageSize}"
//    )
//    public List<Emp> page(Integer start,Integer pageSize);
    //调用PageHelper对象实现的
    //员工信息查询
//    @Select("select * from emp")
    public List<Emp> list(String name, Short gender, LocalDate begin, LocalDate end);

    //批量删除
    void delete(List<Integer> ids);

//    @Insert("insert into emp(username,name,gender,image,job,entrydate,dept_id,create_time,update_time) " +
//            "   values (#{username},#{name},#{gender}),#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
//    void insert(Emp emp);

    @Insert("insert into emp(username,name,gender,image,job,entrydate,dept_id,create_time,update_time) " +
            "values(#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);


    @Select("select * from emp where id=#{id}")
    Emp getById(Integer id);

//    @Update("update emp set username=#{username},password=#{password},name=#{name},gender=#{gender},image=#{image}," +
//            "job=#{job},dept_id=#{deptId},entrydate=#{entrydate},update_time=#{updateTime} where id=#{id}")
//    void update(Emp emp);
    void update(Emp emp);

    @Select("select * from emp where username=#{username} and password=#{password}")
    Emp getByUsernameAndPassword(Emp emp);

//    根据部门Id删除改部门的员工数据
    @Delete("delete from emp where dept_id=#{deptId}")
    void deleteByDeptId(Integer deptId);
}
